How do I prevent the closing of modal popup window(ModalPopupExtender) on postback?

Question

I\'m using Microsoft AjaxControlToolkit for modal popup window.

And on a modal popup window, when a postback occurred, the window was closing. How do I prevent from

Answer 1

Put you controls inside the update panel. Please see my sample code, pnlControls is control that holds controls that will be displayed on popup:

This will do the job for you :)

Best regards, Gregor Primar